Overview Purification of Testis-Stimulating Factor in Precocious Puberty Status: Completed Trial end date: 1969-12-31 Target enrollment: Participant gender: Summary OBJECTIVES: Purify and characterize a testis-stimulating factor in the blood of adult volunteers who had precocious puberty as boys. Details Lead Sponsor: National Center for Research Resources (NCRR)Collaborator: Oregon Health and Science UniversityTreatments: LeuprolideTestosterone